Unable to rsync large size of data using tar strategy in Openshift

Solution In Progress - Updated -

Issue

  • #oc rsync command fails while taking backup from the pods which do not have rsync command and have a large amount of data in their persistent storage.
$ oc rsync -n nexus nexus-1-dsc6j:/nexus-data /mnt/backup_pvc/pr/persistent-volumes/release-management/nexus-pv/
WARNING: cannot use rsync: rsync not available in container
E0816 13:13:02.644053   76110 v2.go:147] write /tmp/rsync794154200: no space left on device

Environment

  • OpenShift Container Platform 3.7

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